diff --git a/packages/registry/src/addon-registry.js b/packages/registry/src/addon-registry.js
index 61980f9928..8d0d9b3d17 100644
--- a/packages/registry/src/addon-registry.js
+++ b/packages/registry/src/addon-registry.js
@@ -113,6 +113,7 @@ class AddonConfigurationRegistry {
     }
 
     this.projectRootPath = projectRootPath;
+    this.isVoltoProject = packageJson.name !== '@plone/volto';
     this.voltoPath =
       packageJson.name === '@plone/volto'
         ? `${projectRootPath}`
diff --git a/packages/volto/__tests__/webpack-relative-resolver.test.js b/packages/volto/__tests__/webpack-relative-resolver.test.js
index b7fcd88393..429946a216 100644
--- a/packages/volto/__tests__/webpack-relative-resolver.test.js
+++ b/packages/volto/__tests__/webpack-relative-resolver.test.js
@@ -79,6 +79,7 @@ describe('WebpackRelativeResolver', () => {
 
   it('handles "installed Volto" resolve requests', () => {
     const registry = makeRegistry();
+    registry.isVoltoProject = true;
     const resolver = new WebpackRelativeResolver(registry);
     resolver.voltoPaths['@plone/volto/'] =
       '/myvoltoproject/node_modules/@plone/volto/src';
diff --git a/packages/volto/webpack-plugins/webpack-relative-resolver.js b/packages/volto/webpack-plugins/webpack-relative-resolver.js
index b292e82e89..acbb5dd017 100644
--- a/packages/volto/webpack-plugins/webpack-relative-resolver.js
+++ b/packages/volto/webpack-plugins/webpack-relative-resolver.js
@@ -5,11 +5,9 @@ class RelativeResolverPlugin {
     this.source = source || 'resolve';
     this.target = target || 'resolve';
     this.registry = registry;
-    this.voltoModulePath = require
-      .resolve('@plone/volto')
-      .split('/')
-      .slice(0, -1)
-      .join('/');
+    this.voltoModulePath = registry.isVoltoProject
+      ? require.resolve('@plone/volto').split('/').slice(0, -1).join('/')
+      : `${registry.voltoPath}/src`;
     this.voltoPaths = Object.assign(
       { '@plone/volto/': this.voltoModulePath },
       ...Object.keys(registry.packages).map((k) => ({